Java清空某文件夹内的所有内容

转自https://blog.csdn.net/u010112493/article/details/77530833/

public static void main(String[] args) {

String path = "G:\\temp";

deleteDir(path);}

public static boolean deleteDir(String path) {

File file = new File(path);

if(!file.exists()){//判断是否待删除目录是否存在

System.err.println("The dir are not exists!");

return false;

}

String[] content = file.list();//取得当前目录下所有文件和文件夹

for(String name : content){

File temp = new File(path, name);

if(temp.isDirectory()){//判断是否是目录

deleteDir(temp.getAbsolutePath());//递归调用，删除目录里的内容

temp.delete();//删除空目录

}else{

if(!temp.delete()){//直接删除文件

System.err.println("Failed to delete " + name);

}

}

}

return true;

}